Security advisory

{
  "id": "88d489a5e3d12d62fa36dea331f0c9b7981a5830e92cb388a16e06a0cb56d415",
  "url": "https://osv.dev/vulnerability/CVE-2020-18839",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-18839",
    "summary": "Buffer Overflow vulnerability in HtmlOutputDev::page in poppler 0.75.0 allows attackers to cause a denial of service.",
    "evidence": "osv:CVE-2020-18839",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-18839",
      "aliases": [
        "CVE-2020-18839"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.freedesktop.org/poppler/poppler",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e68916fca85e497d73327625d72fcf8879ed67b2"
                },
                {
                  "last_affected": "e68916fca85e497d73327625d72fcf8879ed67b2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:freedesktop:poppler:0.75.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.75.0"
                      },
                      {
                        "last_affected": "0.75.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.75.0",
            "poppler-0.75.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-18839.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:04.399970418Z",
      "provider": "osv",
      "references": [
        "https://gitlab.freedesktop.org/poppler/poppler/issues/742"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-18839",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383261,
  "published_at": "2023-08-22T19:15:56.57+00:00"
}